People act based on their recognition.
Some of the Rounds who believe that "Because human beings have a combative instinct, they inevitably fight"
keep fighting naturally afterward.
And some of the Rounds who perceive themselves as champions of justice keep seeking bad people (whom judged by the Rounds)
and fighting against them.

The occupied Nouso pretended as if it had its own free will and cooperated with such sad wars made by the Rounds
who were obsessed by such an illusion.
As the result, scared people who could not blame the Rounds blamed Nouso more as evil instead.